(5S,6S,7R,10S)-ethyl 7-methyl-4,8-dioxo-10-phenyl-2-thioxo-1-thia-3-azaspiro[4.5]decane-6-carboxylate 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以86%的产率得到(5S,6S,7R,8S,10S)-ethyl 8-hydroxy-7-methyl-4-oxo-10-phenyl-2-thioxo-1-thia-3-azaspiro[4.5]decane-6-carboxylate